Based on linear wave making resistance theory and on & technique of boundary layer separation control, the present paper gives an optimized study of hull form below the design water line.

本文基于线性兴波阻力理论，把控制尾流分离作为约束条件，利用优化计算方法对设计水线下船体外形进行优化研究。

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Concluding the wave resistance equation of steel spring and making foundation for the wave theory modeling and practical application of steel spring.

推导了钢板弹簧不同传递波的波阻公式，为钢板弹簧的波动理论建模及实际应用提供参考。

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After deriving a simplified formula based on the linear theory of wave-making resistance, a method for design and improvement the ship-form is proposed.

通过导出简化的兴波阻力理论公式，提出一种运用线性兴波阻力理论进行船型设计与改进的方法。

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